import re

vstring = '人生苦短,我用python!Python 高效、优雅、很多人喜欢。OK'
vret = re.split('[,!、。]', vstring)
print(vret)

dic = {'a': 100, 'b': 90, 'c': 200, 'd': 10, 'e': 88}
vret = sorted(dic.items(), key=lambda item: item[0])

print(vret)
